STM32F105R8T6 STMicroelectronics, STM32F105R8T6 Datasheet - Page 72

• Manufacturer Part Number: STM32F105R8T6
• Description: MCU ARM 64KB FLASH MEM 64-LQFP
• Manufacturer: STMicroelectronics
• Series: STM32r

Specifications of STM32F105R8T6

• Core Processor: ARM® Cortex-M3™
• Core Size: 32-Bit
• Speed: 72MHz
• Connectivity: CAN, Ethernet, I²C, IrDA, LIN, SPI, UART/USART, USB OTG
• Peripherals: DMA, POR, PWM, Voltage Detect, WDT
• Number Of I /o: 51
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 20K x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 3.6 V
• Data Converters: A/D 16x12b; D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-LQFP
• Processor Series: STM32F105x
• Core: ARM Cortex M3
• Data Bus Width: 32 bit
• Data Ram Size: 20 KB
• Interface Type: CAN, I2C, SPI, USART
• Maximum Clock Frequency: 72 MHz
• Number Of Programmable I/os: 51
• Number Of Timers: 10
• Operating Supply Voltage: 2 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWARM, EWARM-BL, MDK-ARM, RL-ARM, ULINK2
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 12 bit x 2, 16 Channel
• On-chip Dac: 12 bit x 2, 2 Channel
• Cpu Family: STM32
• Device Core: ARM Cortex-M3
• Device Core Size: 32b
• Frequency (max): 72MHz
• Total Internal Ram Size: 20KB
• # I/os (max): 51
• Number Of Timers - General Purpose: 7
• Operating Supply Voltage (typ): 2.5/3.3V
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 2V
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 64
• Package Type: LQFP
• For Use With: 497-10591 - DAUGHTER BOARD FOR STM32497-9040 - DEV KIT FOR STM32497-9041 - DEV KIT FOR STM32497-9042 - DEV KIT FOR STM32497-9043 - DEV KIT FOR STM32497-8924 - EVAL BOARD FOR STM32F107VCT497-8853 - BOARD DEMO STM32 UNIV USB-UUSCI
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-8922

Electrical characteristics
Table 51.
1. Based on characterization, not tested in production.
2. Guaranteed by design, not tested in production.
3. V
4. For external triggers, a delay of 1/f
72/101
Symbol
t
t
CONV
STAB
t
t
latr
t
lat
S
(2)
REF+
(2)
(2)
(2)
(2)
is internally connected to V
Injection trigger conversion latency
Regular trigger conversion latency
Sampling time
Power-up time
Total conversion time (including
sampling time)
ADC characteristics (continued)
Equation 1: R
The formula above
error below 1/4 of LSB. Here N = 12 (from 12-bit resolution).
Table 52.
1. Based on characterization, not tested in production.
1.5
7.5
13.5
28.5
41.5
55.5
71.5
239.5
R
AIN
Parameter

------------------------------------------------------------- - R
f
T
ADC
s
R
(cycles)

AIN
AIN
C
DDA
(Equation
PCLK2
ADC
max for f
max formula
T
and V
S

must be added to the latency specified in
ln
REF-

1) is used to determine the maximum external impedance allowed for an
2
ADC
N
is internally connected to V
+
Doc ID 15274 Rev 5
0.11
0.54
0.96
2.04
2.96
3.96
5.11
17.1
2
f
f
f
f
ADC
ADC
ADC
ADC

= 14 MHz
Conditions
–
= 14 MHz
= 14 MHz
= 14 MHz
= 14 MHz
ADC
(1)
t
S
(µs)
14 to 252 (t
successive approximation)
SSA
0.107
.
Min
1.5
0
1
Table
S
STM32F105xx, STM32F107xx
for sampling +12.5 for
51.
0.4
5.9
11.4
25.2
37.2
50
NA
NA
Typ
0
R
AIN
max (k)
0.214
0.143
239.5
Max
17.1
3
2
18
1
(4)
(4)
1/f
1/f
1/f
1/f
Unit
µs
µs
µs
µs
µs
ADC
ADC
ADC
ADC